First Solar Inc., the world’s biggest maker of thin-film panels, fell the most in five weeks after the company said as many as 232,000 panels in the field may need to be replaced.

Last year, nearly 200,000 wind turbines met 2.5 percent of global energy needs. These numbers are impressive, but wind energy has the potential to pack an even bigger punch — according to a new study, wind could power half the world with clean energy…

Space Exploration Technologies Corp. (SpaceX) Falcon 9 rocket carrying its Dragon spacecraft lifted off from Cape Canaveral Air Force Station in Florida at 8:35 p.m. EDT Sunday, beginning NASA’s first contracted cargo delivery flight, designated SpaceX…

In late June I wrote a forward looking article that identified several companies in my energy storage and vehicle electrification group that I expected to perform well or perform poorly during the third quarter. Since short-term market changes are noto…

NASA and its international partners have announced an agreement to send two crew members to the International Space Station on a one-year mission designed to collect valuable scientific data needed to send humans to new destinations in the solar system…

NASA’s Swift satellite recently detected a rising tide of high-energy X-rays from a source toward the center of our Milky Way galaxy. The outburst, produced by a rare X-ray nova, announced the presence of a previously unknown stellar-mass black hole.

NASA’s Curiosity rover is in a position on Mars where scientists and engineers can begin preparing the rover to take its first scoop of soil for analysis.

Astronomers using NASA’s Spitzer Space Telescope have announced one of the most precise measurements yet of the Hubble constant, or the rate at which our universe is stretching apart.